<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
     <div>
         <div>
          <label for="">用户名：</label>
          <input type="text" id="userName">
         </div>
         <div>
            <label for="">密码：</label>
            <input type="password" id="pwd">
           </div>
           <div>
              <button type="button" id='btn'>登录</button>
           </div>
     </div>
     <script src='./javascripts/login.js'></script>
</body>
</html>